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J2EE

According to research, most complex report development work can be simplified by performing the data source computation in advance. For example, find out the clients who bought all products in the given list, and then present the details of these clients. In developing such reports, it is the
on Sep 11, 2013

Blogging

"Geocoding and Reverse Geocoding with TIGER Geocoder" is new to PostGIS in Action, Second Edition by Regina O. Obe and Leo S. Hsu. What's new? The tiger geocoder is a suite of SLQ functions packaged with PostGIS 2.0+ that utilizes Topologically Integrated Geographic Encoding and Referencing (TIGER) U.S. Census data. Chapter 8 shows you how to standardize addresses for geocoding preparation, load...
on Sep 9, 2013
Authentication through a third-party authentication system - Mozilla Persona from is new to Ember.js in Action Ember.js in Action by Joachim Haagen Skeie in MEAP added Chapter 9 and Chapters 1,2, and 6 have been updated with recently released Ember 1.0.0. What's new?
on Sep 6, 2013
The Joy of Clojure, Second Edition by Michael Fogus and Chris Houser has 4 new chapters! Save 45% with Promo code mlfogus2jn at manning.com. What's new? The authors have released the following chapters:
on Sep 3, 2013
Mule in Action, Second Edition MEAP Update + 45% off Save 45% on Mule in Action, Second Edition with Promo code mldossot2jn at manning.com. Mule in Action, Second Edition by David Dossot, John D'Emic, and Victor Romero is 45% off. What
on Sep 3, 2013
Functional Programming in Scala MEAP Update + 44% off Save 44% on Functional Programming in Scala with promo code mlbjarnasonjn at manning.com. Functional Programming in Scala by Paul Chiusano and R
on Sep 3, 2013
Save 45% on The Programmer's Guide to Apache Thrift with Promo code mlthriftjn2 at manning.com. The Programmer's Guide to Apache Thrift by Randy Abernethy has been updated! What's new?
on Aug 28, 2013
"Using State in Actors" is new to Akka in Action + 45% off Akka in Action is written by Raymond Roestenburg, Rob Bakker, and Rob Williams Save 45% on Akka in Actionwith promo code mlakkajn at manning.com. In chapter 7, you learned about two possible ways to keep state in an Actor by using class attributes and the become/unbecome functionality. Chapter 10 talks about two more solutions that you...
on Aug 27, 2013
Save 45% on The Mikado Method with Promotional code mlellnestamjn at manning.com. Offer expires Aug 26, 2013. What
on Aug 21, 2013
Kanban in Action MEAP Update + 44% off Save 44% on Kanban in Action with Promotional code mlkanbanjn at manning.com What
on Aug 20, 2013
Grails in Action, Second Edition MEAP Update + 44% off Save 44% on Grails in Action, Second Edition with Promotional code mlgsmith2jn at manning.com What
on Aug 20, 2013

GUI

Visual Library is a library in NetBeans, which you can use in standalone Java apps, for doing beautiful, complex, animated layouts. JUNG is a library for exploring graphs of connected data. What if we put those two things together? That's what I did. The result is on GitHub. Video demo and more info over on my timboudreau.com blog.
on Sep 4, 2013

EJB

I'm expanding on an earlier post where I explained how to deploy JAX-RS Web Services to the Oracle Cloud. In that entry the web service simply returned a hard-coded "Hello World". In reality, you most likely want your web service to expose something more meaningful. In this post I'm going to expand the HelloJerseyApp to display the results from a table, which I'll expose using a JPA...
on Aug 30, 2013

Databases

In Java, implementing via SQL is a well-developed practice for database computation. However, the structured data is not only stored in the database, but also in the text, Excel, and XML files. Considering this, how to compute appropriately regarding the structured data from non-database files? This article raises 3 solutions for your reference: implement via Java API, convert to database...
on Aug 29, 2013
According to research, most complex report development work can be simplified by performing the data source computation in advance. For example, find out the clients who bought all products in the given list, and then present the details of these clients. In developing such reports, it is the
on Aug 20, 2013

Servlets

javax.servlet.http.HttpSession provides a way to identify an user across multiple HTTP requests and to store user specified information. In other words, it provides a support of stateful communications with the stateless HTTP protocol. For security and memory management, sessions need to be invalidated at a certain time. There are two related methods in HttpSession. HttpSession.invalidate() By...
on Aug 29, 2013

Programming

In Java development, the typical data computation problems are characterized with: Long computation procedure requiring a great deal of debugging Data may from database, or Excel/Txt Data may from multiple databases, instead of just one. Some computation goals are complex, such as relative position computation, and set-related computation Just suppose a sales department needs to make statistics...
on Aug 13, 2013
Java API for WebSocket is a new JSR to Java EE 7. It provides a stardard Java API for creating WebSocket applications. This gives web applications the ability to push data. In Java EE 6 samples, we added a chat room sample to illustrate how to use of Servlet 3.0 asynchronous operation. In that sample, the servlet code did the following: keep track of AsyncContext in a Queue create a thread to...
on Aug 13, 2013